2-Bromo-3-(difluoromethyl)-5-methylpyridine-6-carboxylic acid
Ethyl 3-bromo-5-cyano-4-(trifluoromethoxy)pyridine-2-carboxylate
6-Bromo-3-(difluoromethyl)-2-fluoropyridine-4-sulfonyl chloride
4-(Chloromethyl)-3-iodo-6-(trifluoromethoxy)pyridine-2-carboxylic acid